Works good / Tested One owner Great condition

This AudioControl C-22 Octave Equalizer is a powerful tool for audiophiles looking to fine-tune their home audio setup. With two stereo L/R RCA inputs and outputs, its easy to connect your favorite devices and adjust the sound to your liking. The C-22 features wood panels and a sleek black color that will blend in seamlessly with any home entertainment system. In addition to its high-quality audio inputs and outputs, the C-22 boasts a number of features that make it a standout choice for anyone looking to optimize their sound. With 10 watts of power and an octave equalizer, you can be sure that youll get clear, crisp sound at all times. So if youre looking for a reliable and powerful equalizer, the AudioControl C-22 is the perfect choice.

Accuphase DG-28 1/6-Octave 64-Band Digital Voicing Equalizer Operation Confirmed Domo Arigato! Welcome, Thank you for your visit. Description Operation confirmed.The operation of sound field measurement and automatic correction using the attached microphone in analyzer mode has also been confirmed.The LCD screen is deteriorated. Visibility is a little degraded, but it is usable. *The power supply voltage is AC 100V specification in Japan.Please be careful about the voltage in your country.If the power supply voltage is different, you will need a voltage transformer. Specifications Type? 1/6 octave 64-band digital voicing equalizerCenter frequency: 64/32 points (between 16Hz and 22.4kHz, ISO standard)Q (peak sharpness): 1/6 octave: 8.65, 1/3 octave: 4.32Frequency response: 0 to 22.4kHz ±0dB (sampling frequency: 48kHz)Gain: 0 to -18dB variable

Item powers on but no further testing performed Buttons press as they should One knob piece missing from center section as shown in photos Please note photos for item condition and contents Reach out for any questions, we are always available Item will be safely packaged

This AudioControl C-22 Octave Equalizer is a powerful tool for audiophiles looking to fine-tune their home audio setup. With two stereo L/R RCA inputs and outputs, its easy to connect your favorite devices and adjust the sound to your liking. The C-22 features wood panels and a sleek black color that will blend in seamlessly with any home entertainment system. In addition to its high-quality audio inputs and outputs, the C-22 boasts a number of features that make it a standout choice for anyone looking to optimize their sound. With 10 watts of power and an octave equalizer, you can be sure that youll get clear, crisp sound at all times. So if youre looking for a reliable and powerful equalizer, the AudioControl C-22 is the perfect choice.

AudioControl EQL 2 Channel 12 Band Half Octave Stereo Equalizer EQ with Pre-Amplifier I am the original purchaser and owner of this AudioControl EQL 2 Channel 12 Band Half Octave Stereo Equalizer. It was removed in working condition from the vehicle in 2003 when the car was sold. My car audio setup was for display and I this paired with my head-unit to ensure the audio response was flat. The pictures show this AudioControl EQL 2 Channel 12 Band Half Octave StereoEQ was not dropped, scratched or abused. It is from a smoke-free and pet-free environment. It powers up fine but its performance or reliability cannot be guaranteed due to its age.

Audio Control Model C-22 Octave Equalizer With Rack Mount Ears. Condition is Used. Shipped with USPS Ground Advantage.

Audio Control Model C-22 Octave Equalizer With Rack Mount Ears. Condition is Used. Shipped with USPS Ground Advantage.

AudioControl C-101 Series 2 Octave Equalizer Real Time Spectrum Analyzer Walnut. Nice, original books and box.

This AudioControl C-22 Octave Equalizer is a powerful tool for audiophiles looking to fine-tune their home audio setup. With two stereo L/R RCA inputs and outputs, its easy to connect your favorite devices and adjust the sound to your liking. The C-22 features wood panels and a sleek black color that will blend in seamlessly with any home entertainment system. In addition to its high-quality audio inputs and outputs, the C-22 boasts a number of features that make it a standout choice for anyone looking to optimize their sound. With 10 watts of power and an octave equalizer, you can be sure that youll get clear, crisp sound at all times. So if youre looking for a reliable and powerful equalizer, the AudioControl C-22 is the perfect choice.

Yamaha Natural Sound Graphic Equalizer GE-20 10 1 Octave Bands Per Channel. Tested and works. The top of the equalizer has some scratches, please see the pictures. For any additional information or pictures, please let me know. Shipped with USPS Parcel Select Ground or FedEx Home Delivery.

Audio Control Model C-22 Octave Equalizer With Rack Mount Ears. Condition is Used. Shipped with USPS Ground Advantage.

AudioControl EQX Series II Dual-Bandwidth Equalizer 24dB Octave Crossover - USA EQ shows minor wear including scuffs/scratches/markings. 100% functional. Please see all photos for details. General Features:Trunk Mount Stereo Equalization with CrossoverLine and Speaker Level InputsPreamp Inputs: 1 (2 channels)Speaker Level Inputs: 1 (2 channels)6 Band, 1/2 Octave Bass EQ7 Band, Octave EqualizerTwo-way 24dB/Octave CrossoverVariable Gain ControlsBalanced InputsInput and Output Level Matching ControlsColor: WhiteEQX SpecificationsFrequency Response: 10 - 20,000 Hz ± 1 dBTotal Harmonic Distortion (THD): 0.005%Signal to Noise Ratio (SNR): 110 dB at full outputMaximum Output Level: 9.5 VrmsInput Gain: ± 18 dBCrossover Slope: 24 dB per octaveCrossover Type: 2-wayProgrammable Crossover Frequency: 50 - 6500 HzPFM Filter Slope: 18 dB per octavePFM Frequency: Programmable 15 - 100 HzPower Supply: Transformer-isolated switch modeFuse Rating: 2 ampsBalanced Input YesGround Isolation Jumpers YesCountry of origin: USA FAST FREE SHIPPING We promptly pack and ship items securely. If you have any questions, please don’t hesitate to send a message. If you are not satisfied with your product, please contact us directly first. Customer service is our PRIORITY and we are always willing to help our customers if a problem should arise :)Please ensure that your address on file with ebay is correct, once the order is placed, the address cannot be changed. - Ships Same or Next Day -from a smoke and pet free environment!

Item powers on but no further testing performed Buttons press as they should One knob piece missing from center section as shown in photos Please note photos for item condition and contents Reach out for any questions, we are always available Item will be safely packaged

Precision Power DEQ-230 Third Octave Equilizer. Working condition Made in USA Missing wiring harness (easily replaceable)

Parasound EQ-250 Vintage Linear Octave 10 Band Stereo Equalizer.

Item powers on but no further testing performed Buttons press as they should One knob piece missing from center section as shown in photos Please note photos for item condition and contents Reach out for any questions, we are always available Item will be safely packaged

Parasound EQ-250 Vintage Linear Octave 10 Band Stereo Equalizer.

Phoenix Gold EQ-215 two-third octave graphic Equalizer in like-new condition.

Parasound EQ-250 Vintage Linear Octave 10 Band Stereo Equalizer.

Phoenix Gold EQ-215 two-third octave graphic Equalizer in like-new condition.

Parasound EQ-250 Vintage Linear Octave 10 Band Stereo Equalizer.

Parasound EQ-250 Vintage Linear Octave 10 Band Stereo Equalizer.

Working, great sound.Excellent condition.MADE IN JAPAN.NO REMOTE OR MANUAL.SpecificationsInput Sensitivity: 1VOutput Level: 1VFrequency response: 10Hz to 35kHzSignal to Noise Ratio: 105dBTotal harmonic distortion: 0.005%Control Range: ± 12dBFrequency Bands: 30, 60, 120, 240, 480, 1K, 2K, 4K, 8K, 16KHzDimensions: 435 x 100 x 232mmWeight: 2.85kg