AIR TIGHT

Air Tight
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Progressive tube technology for the ultimate in digital performance capability!

 

Air Tight's Reference line

ATM 3211 - Reference mono power amplifier


Airtight's dream came true in 2017 with their 120W output from exquisite 211 Triode push-pull circuitry.

The circuit configuration is as follow:
- 1st stage: differential circuit of 12AX7
- 2nd stage: 12BH7
- Cathode-follower 12BH7 parallel
- A-class operation up to 30W
- AB-class operation for more than 30W
- Wide frequency range is obtained by NFB circuit (Frequency response 10Hz~50kHz ±1dB)
- Massive Tamura’s output transformer is employed
- High and low 2-compositions transformer ensure instantaneous power supply and prevent power interference.
- High grade capacitors and resistors are employed in key locations.
- The 15mm thick aluminum front panel is carved by hand.
- WBT input and speaker terminals are employed.
- Wiring and soldering are all done by hand.

Specifications:

Valves employed: 12AX7 x 1, 12BH7 x 3, 211 x 2
Rated output: 120W (6Ω/THD2%)
Frequency response: 10Hz~50kHz (±1dB/THD0.06%)(at 1kHZ/30W)
Damping factor: 6(1kHz/1W)
Input sensitivity: 1V/Input impedance 100kΩ
Power consumption: 550VA
Load impedance: 6Ω/16Ω(Interchangeable, 6Ωstandard)
Dimensions: 400(W) x 450(D) x 405(H) mm
Weight: 44kgs

Downloads

Airtight's PDF specification



ATM-2001/ATM-2001S


Superdreadnought mono power amplifier / stereo power amplifier

Features

- Comfortable high power thanks to colossal output stage featuring 12 pieces of 6550 beam valve
- Individually direct-coupled cathode-follower to ensure an optimum operation of each output valve
- Massive power supply employing huge EI power transformer
- 2 independent amps thus composed in UL configuration afford rich high power without load on each component
- Lavish employment of strictly select components of high performance & long durability

Specifications

Valves employed: 6550 × 12, 12BH7× 6, 12AX7× 2, 12AU7 × 2
Rated output: 338W(8 ohms, mono) / 180W(8 ohms,stereo)
THD: less than 1% at rated output
Frequency response: 20 - 20,000Hz( 1dB)
Input impedance: 100k ohms
S/N ratio: 100dB
Dimensions:
power supply: 430(W) ×185(H) ×500(D)mm
amplifier: 430(W) ×380(H) ×520(D)mm
Weight:
power supply: 65kgs
amplifier: 50kgs



ATM-3011R


reference mono power amplifier

Features

- Parallel Connection of KT120 Valves under UL connection operated are 12pcs. of the reputed high-power valve compatible to the KT88.
- Driving Circuitry Featuring Direct-Coupled Cathode Follower
- Output valves can be easily adjusted by the front bias meter and the alignment pot affixed to each valve
- Banishment of PCB
- The amp section, all the components are placed on the copper-plated steel plate in order to improve heat conduction, to prevent vibration and shield magnetism
- Strictly Select Components
- Dispositions of components are so designed as to effect heat dissipation by natural air circulation, thus ensuring noise suppression to achieve good S/N ratio
- Upright compact chassis

Specifications

Valves employed: KT120x12, 12BH7× 3, 12AX7× 1, 12AU7 × 1
Rated output: 200W (mono)
THD: less than 1% at rated output
Frequency response: 20 - 20,000Hz( 1dB)
Load impedance: 8 ohms
Input impedance: 100k ohms
S/N ratio: 100dB
Power consumption: 300W
Dimensions: 210(W) 520(H) ×565(D)mm
Weight: 46kgs



ATM-300R


stereo power amplifier

Specifications

Power Output : 9W+9W (THD<10%) THD below : 1% (1kHz / 1W / 8Ω) Input Sensitivity : 290mV (9W) Damping Factor : 7 (1kHz / 1W / 8Ω) Frequency Response : 30Hz~40kHz (−1dB / 1W) Dimensions : 430(W)×275(D)×245(H)mm Weight : 24.5kg

  • » Single Ended Triode Power Amplifcations
  • Air Tight's Single-Ended Triode Power Amplifiers

    NEW

    ATM-2211 - monaural power amplifier


    About 20 years have passed since the launch of the ATM-211 single-monaural power amplifier using 211 tube, which has been well received since its launch in 2001. Since then, AIR TIGHT launched 211 push-pull monaural power amplifier ATM-3211, which has become a turning point for the Airtight brand as well as SET ATM-300R. For their 35 year anniversary, AIR TIGHT will launch the new 211 single monaural power amplifier ATM-2211.

    Specifications/Features:

    Valves employed: 1/12AX7, 1/12BH7, 1/211
    Rated output: 32W(THD<5%)
    Input impedance: 100kΩ(RCA/XLR)
    Input: RCAx1, XLRx1(No.2 pin=HOT)
    Input sensitivity: 500mV(32W)
    Frequency response: 20Hz~20kHz(-1dB) @3.5W
    Power consumption: 250VA
    Dimensions: 400(W)x350(D)x225(H)mm
    Weight: 25.5Kg





    ATM-300 30th Anniversary Version


    stereo power amplifier

    In order to upgrade so-called “nostalgic” vacuum tube sound to that of contemporary nature, on their 30th anniversary, Air Tight introduced their new power amplifier utilizing the second-to-none TA300B triode employing their time-tested valve configuration technologies.

    On top of the traditional circuitry, luxury components are lavishly employed even in tiny capacitors and resistors, not to speak of laser-cut sub-chassis made of thick pure copper. Naturally special care is paid to non-resonant structure composed of heavy, robust chassis, and indeed, none of the screw heads is made visible at a glance on the surface, which offers perfect integrated feelings of ultimate refined, beauty and ultra high-precision sonic instruments.

    Specifications

    Power Output: 9 W+ 9W (THD 5 %)
    Valves employed: 300B × 2, 5U4GB ×1, 12BH7A × 2, 12AU7A(ECC82) × 2
    THD: below 1 % (1 kHz/ 1 W/ 8 Ω)
    Input Sensitivity: 290mV ( 9 W/8 Ω)
    Damping Factor: 7 ( 1 kHz/ 1 W/ 8 Ω)
    Frequency Response: 25Hz~40kHz (-1 dB/1 W)
    Dimensions: 430(W)×275(D)×245(H)mm
    Weight: 24kg



    ATM-300


    stereo power amplifier

    Features

    - Legendary musical charms of jubilee-long reputed, genuine 300B diect-heated valve
    - Self-biased Class-A operation at 300B output stage
    - 3-stage triode amplification for sublimate musicality
    - DC-driven heater to reduce noise inherent in direct-heated valve
    - Bias/current meter to check optimum operation of output valve
    - Damping selector control to create one’s favourite sound
    - Lavish employment of second-to-none, custom-selected components
    - Copper-plated chassis to remove magnetic distortion
    - Attenuator on direct-CD input

    Specifications

    Valves employed: 300B × 2, 5U4GB ×1, 12BH7A × 2, 12AU7A(ECC82) × 2
    Rated output: 8W + 8W (8 ohms)
    THD: less than 1% (6W)
    Input sensitivity: 230, 300, 450mV
    Damping factor: 0, 4, 6dB adjustable
    Dimensions: 430(W) × 275(D) × 245(H)mm
    Weight: 24kgs



    ATM-211


    monaural power amplifier

    Features

    - Unprecedented high power 22W derived from broadcast-oriented 211 valve with direct-coupled cathode-follower stage
    - All-stage triode-driven non-NF Class-A operation to achieve pure,unimpaired sound
    - Independently coiled transformer for amp-stage, bias, heater & relay circuits to remove mutual interferences
    - DC-driven heater filament to eliminate hum of output valve
    - Relay-activated muting circuit for long life of electrolytic capacitor
    - Bias meter to check operation status of output valve

    Specifications

    Valves employed: 211 × 1, 12AX7 × 1, 12BH7A × 1
    Rated output: 22W (8 ohms)
    Frequency response: 20 — 20kHz (1dB, 22W)
    Input impedance: 100kohms
    Dimensions: 390(W) × 360(D) × 260(H)mm
    Weight: 26kgs



  • » Power Amplification


  • Air Tight Power Amplifcation

    ATM-4


    stereo power amplifier

    Features

    - Reputed 6L6GC beam-valve boasting of long history starting from military application
    - UL connection enabling to offer affluent power and guts
    - Low NF design for low distortion
    - Stereo/mono selector switch
    - Components selected for long-time listening pleasure

    Specifications

    Valves employed: 6L6GC × 4, 6FQ7 × 2, 12AT7 × 1
    Rated output: 24W + 24W (8 ohms), 48W (mono, 8 ohms)
    Input impedance: 100kohms
    Features: input selector (2-ch), stereo/mono selector
    Dimensions: 380(W) × 340(D) × 205(H)mm
    Weight: 23kgs



    ATM-3


    monaural power amplifier

    Features

    - 6CA7 output valves for high reliability and affluent musicality under triple push-pull configuration
    - Selector between UL and TRIODE modes enabling to match the amp operation to type of speaker used, or the sound to your personal taste
    - Bias adjustment enabling each and all valves to exhibit the same operational performance
    - Removal of PCB’s for vivid, natural sonic reproduction
    - Large power transformer with heavy-duty choke coil and reputed Tamura output transformer
    - Muting delay system to protect output valves

    Specifications

    Valves employed: 6CA7 × 6, 12AX7 × 1, 12AU7 × 1
    Rated output: 110W (UL), 55W(triode)
    Input impedance: 100kohms
    Features: UL/triode mode selector, bias adjuster
    Dimensions: 405(W) × 340(D) × 220(H)mm
    Weight: 25kgs



    ATM-2 Plus stereo power amplifier

    The new ATM-2Plus is a completely new design while keeping the legendary AirTight style & outlooks. All circuity including 1st& 2nd amplification and internal constructions are renovated. Unlike a time when we released the original ATM-2, vintage KT-88 tubes are almost impossible to obtain, and quality of modern tubes are different. The main focus was to lower plate voltage of the tube while keeping output power for longer tube life as well as stable operation of the amplifier.

    For the optimum operation point of KT-88/6550 tubes, we incorporated 6CG7/6FQ7 tubes which is more powerful than the original 12AU7 for wider amplitude and lower distortion. AirTight also redesigned Negative Feedback to optimize damping factors to match with today`s speaker.

    Specifications

    Tube incorporated: KT-88/6550 (Fixed Bias) 12AX7x2, 6CG7/6FQ7x4, KT-88/6550x4
    Rated Power Output: 70W+70W (1kHz/THD>5%)
    Frequency Response: 10Hz~60kHz(@-1dB/1W) 20Hz~50kHz(@-1dB/50W)
    Input Impedance: 100kΩ Input : 2 Channels (1 x Back, 1 x Front, both RCA)
    Load Impedance: Low 4Ω / High 8Ω (16Ω option)
    Aux features: Input Selector Switch, Bias Adjustments
    Dimensions: 415(W) x 380(D)x 230(H) mm
    Weight: 33kg

    Downloads

    Airtight's PDF specification



    ATM-1S stereo power amplifier

    ULTIMATE DESIGN FOR SONIC IMMACULACY
    - Dependable orthodox configuration composed of highly acclaimed 6CA7 valves under Mullard phase inversion
    - Hefty output headroom achieved by newly developed Hashimoto transformers boasting of 60W power handling capability
    - Bias adjustment facilities for easy service accessibility
    - No PCB in favour of point-to-point manual soldering with full OFC wires and copper-plated chassis

    Specifications

    Valves employed: 6CA7 × 4, 12AU7 × 2, 12AX7 × 1
    Rated output: 36W + 36W (8 ohms)
    Input sensitivity: 1V
    Input impedance: 100kohms
    Load Impedance: 4Ω/8Ω/16Ω Interchangeable by inner wiring.
    Set at 8Ωload when shipped from the factory.

    Features

    Input selector (2-ch), bias adjuster
    Dimensions: 368(W) × 293(D) × 231(H)mm
    Weight: 22kgs

    Downloads

    Airtight's PDF specification



  • » Pre-Amplifcation
  • Air Tight Pre Amplifiers

    ATE-3011


    BUILD TO ORDER - reference phonostage

    ATE-3011 is Airtight's latest photostage, born for music lovers who thoroughly enjoys the profound world of record reproduction. The ATE-3011 is equipped with 5 equalizing curves (RIAA, NAB, AES, FFRR, & FLAT) for Turnover and Roll-Off, and can independently select turnover and roll-off to create various curves to optimize for your vinyl collections.

    Large-size self-illuminating display and equalize curve selector switch offers easy change over between the equalizing curves which often requires intricate settings on other equalizer, and now music lovers can focus on appreciation of recorded music.

    Features

    - Genuine valve configuration for whole amp stages even at power supply
    - Latest sonic-oriented high-quality attenuator for matchless sonic transparency and silky smoothness
    - EQ circuitry composed of 2-stage NF & SRPP to insure wide-band spectrum and minimum distortion
    - Elaborate power supply for high stability and low noise
    - Direct-accessible EQ output bypassing volume pot
    - High-mass, vibration-proof chassis for high rigidity

    Specifications

    Valves employed: 12AX7 x 3
    Phono equalizer input: RCA/MM × 3
    Input impedance: 47kΩ(Gain 40dB)
    Phono equalizer output: RCA × 2 + 1(mono only)
    Output impedance: Recommended load more than 47kΩ
    THD: 0.02%(1V/1kHz)
    Frequency response: 50Hz~20kHz(±0.2dB) /20Hz-2.5dB
    Power consumption: 50VA
    Dimensions: 400(W) × 375(D) × 151(H)mm
    Weight: 12.2kg

    Downloads

    Airtight's PDF specification



    ATE-2


    phono equalizer amplifier

    Features

    - Genuine valve configuration for whole amp stages even at power supply
    - Latest sonic-oriented high-quality attenuator for matchless sonic transparency and silky smoothness
    - EQ circuitry composed of 2-stage NF & SRPP to insure wide-band spectrum and minimum distortion
    - Elaborate power supply for high stability and low noise
    - Direct-accessible EQ output bypassing volume pot
    - High-mass, vibration-proof chassis for high rigidity

    Specifications

    Valves employed: 12AX7(ECC83) × 3, 12BH7A × 1, EF86(6267) × 1, 6922 × 2, 6X4(EZ90) × 1
    Phono input: 2 channels
    Line input: 1 channel
    Mode: stereo/mono selector
    EQ output: direct/buffered (2 channels)
    Dimensions: 405(W) × 330(D) × 145(H)mm
    Weight: 12kgs



    ATC-5


    stereo line & phono control amplifier

    Specifications

    Valves employed: 12AX7 × 3, 12AT7 × 2
    Phono equalizer input: RCA/MM × 2
    Input impedance: 47kΩ(Gain 40dB)
    Phono equalizer output: RCA × 1
    Output impedance: Recommended load more than 47kΩ
    Line input: RCA × 3
    Input impedance: 47kΩ (Gain 18dB)
    Line output: RCA × 2
    Output impedance: Recommended load more than 47kΩ
    Output voltage: 20V(Load 100kΩ/1% distortion)
    Line amplifier distortion: THD 0.02%(1V/1kHz)
    Frequency response Phono equalizer: 50Hz~20kHz(±0.2dB) /20Hz-2.5dB
    Frequency response Line amplifier: 20Hz~100kHz-1dB
    Power consumption: 50VA
    Dimensions: 400(W) × 260(D) × 90(H)(tentative)
    Weight: 9kgs(tentative)



    ATC-3


    stereo line-control amplifier

    Features

    - SRPP line amp with reinforced buffer stage to assure good noise rejection, low output impedance and extended linearity
    - Rich power supply featuring quick recovery diode for high operational speed and low pulse noise
    - Single-steel sheet with multi-layer enamel for high rigidity and low noise
    - High-quality input/output jacks with detachable mains cord
    - Optional ‘Alps’ high-precision pot RK-501

    Specifications

    Valves employed: 12AX7(ECC83) × 1, 12AU7(ECC82) × 2
    Output voltage: rated 2V, max. 15V
    Output impedance: 200 ohms
    THD: less than 0.01%
    Input sensitivity: 110mV (ouput 1V)
    S/N ratio: less than 90dB (IHF-A weighted)
    Dimensions: 430(W) × 325(D) × 90(H)mm
    Weight: 8kgs



    ATC-1


    stereo line & phono control amplifier

    Features

    - Highly reliable 12AX7 valves meticulously selected after ageing
    - 3-stage low-impedance K-K NF configuration equaliZer acclaimed for low distortion & wide frequency response
    - Simple, single-stage flat amp for pure sound
    - High-voltage B-power supply with quick recovery diode
    - PCB-free hand wiring
    - Discrete, highly rigid dia-magnetic chassis
    - EL-core power transformer

    Specifications

    Valves employed: 12AX7(ECC83) × 5
    Output voltage: rated 2V, max. 15V
    Output impedance: 600 ohms (pre-out, EQ-out)
    THD: 0.05% (phono), 0.02% (line)
    Input sensitivity: phono; 1.8mV(output 1V), line; 150mV (output 1V)
    S/N ratio: less than 85dB (phono) & 98dB(line)
    Dimensions: 430(W) × 325(D) × 90(H)mm
    Weight: 7kgs



  • » OTHER
  • Other Air Tight Electronics

    ATH-3


    step-up transformer for MC cartridge

    Specifications

    Step-up ratio: 1:40 (32dB gain) at low impedance mode
    Adaptable impedance of cartridges: 1Ω〜7Ω (Recommended)
    > > >The adaptable impedance range can be converted to 7Ω〜40Ω.

    Dimensions: 144 (W) × 207 (D) × 80 (H) mm
    Weight: 1.5kgs



    ATH-2 REFERENCE


    step-up transformer for MC cartridge

    The ATH-2 REFERENCE is Air Tights top version of the ATH-2A. The ATH-2 REFERENCE has three selectable inputs, i.e., "Bypass", "2Ohm" and "40Ohhm". Thanks to the employment of the new winding material (oxygen-free copper) and careful review on its winding method, the dynamics-range, sonic powerfulness and quality have been remarkably improved, thus achieving an unparalleled musicality of your analogue discs.

    Features

    - frequency rage being fully procured, the upper-end is extend up to 80kHz (-1dB) and 120kHz (-2.2dB).
    - S/N ratio especially at the low output level totally surpassing the competitors' performance, you may enjoy the higher quality in the different dimension in combination with the Hi-End amplifiers
    - 2 Ohm position complies with the latest ultra-low impedance below 1 Ohm

    The ATH-2 REFERENCE derives the full potentials of the existing MC cartridges, starting from the Ortofon SPU down to the latest

    Specifications

    Input Selector - 3 position
    ・Bypass: without gain, for MM cartridges
    ・2Ω (0.6Ω~7Ωapplicable) gain 29dB 
    ・40Ω (7Ω~40Ω applicable) gain 23dB
    Frequency response: 10Hz~80kHz (-1dB)
    Dimensions: 240(W)×180(D)×70(H)mm
    Weight: 2.8kgs



    ATH-2A


    step-up transformer for MC cartridge

    Features

    - Input selector for 3 different cartridges/tonearms
    - Input impedance selective among 3 positions [2 ohms, 40 ohms & bypass (for MM cartridge)]

    Specifications

    Input: 3 channels
    Impedance: 3-step selectable (2 ohms, 40 ohms& bypass)
    Frequency response: 15 - 50,000Hz (-1dB)
    Dimensions: 240(W) x 180(D) x 70(H)mm
    Weight: 2.8kgs



  • » CARTRIDGES

  • Phono Cartridges from Air Tight

    Opus-1 MC Phono Cartridge

    Features

    - 3-dimensional soundstage imaging
    - Unprecedented, sublime sonic balance achieved thru years-long research seeking for optimum combination ratio in internal impedance and output voltage
    - Exclusive, renowned SH-uX core sealed in ultra-hard duralumin housing fortified by nickel plating

    Specifications

    Type: Ultra Low Impedance MC phono cartridge
    Frequency range: 10-50,000Hz
    Internal impedance:   1.4 ohms (DCR)
    Output voltage:  0.45mV/1kHz
    Magnet: Neodymium#50
    Tracking force: 2.0-2.2g
    Dynamic Compliance: 8x10⁻⁶Cm/Dyne
    Cantilever:  Boron Cantilever
    Stylus Tip Type: Semi-line contact (3μmm×30μmm)
    Channel balance: Less than 0.5dB/1kHz
    Cross talk: More than 30dB/1kHz
    Cartridge base: A7075(DLC plating)
    Housing: A5056(Rhodium plating)
    Terminal: Rhodium plating
    Weight: 12.5g



    PC-1 Supreme Ultimate MC phono cartridge

    Features

    - Epoch-making Hi-µ core material SH-µX recently developed offers high µ amount to realise high-efficiency magnetic circuitry
    - Thick wires help reduce winding Nos. in coil, thus achieving astounding low internal impedance
    - Expanded bandwidth & extended dynamic range present clearer life-like soundstage
    - Improved transient & phase characteristics reproduces ultra-heavy bass with highest resolutions

    Specifications

    Internal impedance: 1 ohm (DCR)
    Output voltage: 0.4mV/1kHz
    Stylus pressure: 1.9 - 2.2g
    Channel balance: within 0.5dB/1kHz
    Dynamic Compliance: 8x10⁻⁶Cm/Dyne
    Cantilever: boron
    Weight: 12g



    PC-1 coda MC phono cartridge

    Specifications

    Internal impedance: 1.7 ohms (DCR)
    Output voltage: 0.5mV/1kHz
    Stylus pressure: 2.0 - 2.2g
    Channel balance: within 0.5dB/1kHz
    Cantilever: boron
    Stylus Tip Type: Semi-line contact (3 μ mm × 30 μ mm)
    Cartridge base: A7075 (Extra Super Duralumin)
    Housing: A6063
    Terminal: Rhodium plating
    Weight: 12.7g



    PC-7 MC phono cartridge

    Specifications

    Cantilever: Boron
    Stylus Type: Microridge
    Internal impedance: 7 ohms (DCR)
    Output voltage: 0.6mV/1kHz
    Stylus pressure: 1.9 - 2.2g
    Channel balance: within 0.5dB/1kHz
    Weight: 9.6g



  • » LOUDSPEAKERS

  • LOUDSPEAKER FROM AIR TIGHT

    AL-05



    compact music monitor

    Specifications

    Configuration: 4 inch full range driver
    Load impedance: 4 ohms
    Power handling 25W ( Max 40W )
    Frequency response: 70 - 20,000Hz ( -10dB )
    Dimensions: 170(W) x 270(H) x 220(D)mm
    Weight: 5.0kgs



  • » REVIEWS

  • Reviews

    - Image hifi magazine: AIRTIGHT Opus-1, Opus-1 MC phono cartridge was reviewed by Image hifi magazine (Feb, 2018 edition)
    - 2017 Buyer's Guide : Power Amplifiers $10,000-$15,000, The Absolute Sound
    - Stereophile: AIRTIGHT ATM-3011 (http://www.stereophile.com/content/return-franco-serblin)
    - http://www.avfline.com/bbs1/read.php?tid=2725
    - HIGH Fidelity: AIRTIGHT ATM-300 (http://www.highfidelity.pl/)
    - 6moons audio reviews: Air Tight ATM-300
    (http://www.6moons.com/audioreviews/airtight/airtight.html)
    (http://www.6moons.com/audioreviews/airtight/airtight_3.html)
    - Stereophile: Air Tight ATM-211 tube monoblock power amplifier
    (http://stereophile.com/tubepoweramps/687/)
    - HIGH Fidelity: AIRTIGHT ATM-211 (http://www.highfidelity.pl/)
    - SoundClub - Air Tight (http://www.soundclub.pl/producenci/Air_Tight/33.html)
    - air tight 211 (http://www.positive-feedback.com/Issue22/airtight_211.htm)
    - Air Tight ATC-2 ATM-300 by Jean Giguére Magazine Son & Image
    (http://www.quinceton.com/airtight/reviews/SonImage.htm )
    (http://www.quinceton.com/airtight/reviews/SonImage2006.pdf (French))
    - Cine now: ATM-1s(CES2010)
    (http://www.cinenow.co.uk/videos/2341-air-tight-founder-mr-atasushi-miura-presents-the-atm-1s-ces-2010)
    - Air Tight ATC-1 Preamp and ATM-1 Power Amp Reviewed
    (http://www.hometheaterreview.com/air-tight-atc-1-preamp-and-atm-1-power-amp- reviewed/)
    - Test przedwzmacniacza Air Tight ATC-3 - Artykuły audio. Testy ... (Portuguese)
    (http://www.audiostereo.pl/Test_przedwzmacniacza_Air_Tight_ATC_3_47302.html)
    - HIGH Fidelity:AIR TIGHT ATC-3+ATM-1S
    (http://www.highfidelity.pl/!ev/artykuly/18_08_2008/air.html)
    (http://www.highfidelity.pl/artykuly/0808/air.html(Polish))
    - HIGH Fidelity: Air Tight PC-1 Supreme
    (http://www.highfidelity.pl/)
    - Question on Air Tight PC-1 Supreme for Mr. Valin | AVguide
    (http://www.avguide.com/forums/question-air-tight-pc-1-supreme-mr-valin)
    - awards 2008:Air Tight PC-1 Supreme
    (http://www.positive-feedback.com/Issue40/awards_2008.htm)
    - The Abso!ute Sound:Air Tight PC-1 Cartridge | AVguide (http://www.avguide.com/review/air-tight-pc-1-cartridge )
    - Air Tight PC-1 Cartridge Reviewed (http://www.hometheaterreview.com/air-tight-pc-1-cartridge-reviewed/ )
    - TRANSROTOR Argos + AIR TIGHT PC-1 - (http://www.highfidelity.pl/)
    - BERGMANN AUDIO SINDRE + AIR TIGHT PC-1 - Turntable - High Fidelity (http://www.highfidelity.pl/)


  • » OTHER

  • RK-501


    High-precision volume

    Features

    A unique polished solid brass enclosure resistant to vibration and resonance with a newly developed carbon resistor offers unsurpassed sonic transparency and silky-smooth touch to level control. Available at option for the ATC-1, ATC-2, ATC3


  • » Back to Reference Line

  • IMPORTANT: Products and specifications are subject to change without notice.