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Benchmark ADC1

2-channel, 24-bit, 192-kHz Analog-to-Digital Audio Converter
Item ID: ADC1
Sorry, the Benchmark ADC1 is no longer available. We've left this page up for reference only.
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Benchmark ADC1
Benchmark ADC1

The Benchmark for AD/DA Conversion

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Our Product Research Team

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The ADC1 is a two-channel, 24-bit, 192-kHz Analog-to-Digital audio converter. As with the companion DAC1, the ADC1 pushes the limits of conversion technology and yet maintains an affordable price point.

Digital audio created by the ADC1 provides a stunningly faithful recreation of the input signal. The distortion free output is so pristine you can now record detail which was previously masked by jitter induced artifacts and distortion. Without exceptional recording capability, efforts made with equipment, microphone, mic-placement, and venue selections will be compromised.

Main output sample rates are 44.1, 48, 88.2, 96, 176.4, and 192kHz, with a word length of 24-bits. The main output signal is simultaneously on XLR, BNC, and 192-kHz capable Toslink connectors.  Output signal format choices include: AES, S/PDIF and ADAT.

A simultaneous secondary output provides 44.1 or 48-kHz output with a switch selectable 16 or 24-bit word length resolution.  This output is intended for safety backup recordings.  The secondary output has the same quality as and is fully independent from the Main outputs in both sample rate and word length.

The reference input features auto-detection and lock to a source format of either AES, S/PDIF, word clock, or super-clock. The ADC1 has its own internal, international, toroidal power supply.

Benchmark ADC1 Features:

Converter:
  • Total Isolation of Conversion Clock.
  • Reference Digital-In Jitter will not Degrade conversion Performance.
  • Reference Locks to AES, S/PDIF, WC, or Super-clock.
  • Jitter-Free Performance in all Modes.
  • 24-bit 192kHz Conversion.
  • THD+N < -110 dB (0.0003%).
  • Dynamic Range > 120 dB A-Weighted.
  • 44.1, 48, 88.2, 96, 176.4, and 192kHz at 24-bits (Main Output).
  • 44.1 or 48 kHz, 16 or 24-bit (Secondary Output).
  • 9-Segment, Dual Range LED Meter, with Peak Hold.
Power and Chassis:
  • BNC to RCA adapters included.
  • Internal Toroidal Power Transformer.
  • IEC Connector with International V Select.
  • Wide AC-Voltage Operating Range.
  • EMI and RFI filtering.
  • 1 RU high, 1½2 Rack wide.
  • Rack mount kit available.
  • Will also mount beside the DAC1, an ADPre1, or another or ADC1.
The ADC1 is essential equipment for mastering, home recording studios, location recording, and broadcast facilities - any place that requires uncolored recording capability.

Warranty Info

Sweetwater's FREE 2-Year Total Confidence Coverage Warranty

Extra peace of mind at no extra cost.

  • Save money with FREE parts and labor
  • Get back to making music with the industry's fastest turnaround time
  • Fix it the first time with our award-winning, factory-certified Service Department
Learn More about Total Confidence Coverage

Offer applies only to single-receipt qualifying purchases. Select manufacturers may require that only the manufacturer’s products qualify towards the minimum purchase amount needed to be eligible for promotional financing. Otherwise, an invoice that meets the minimum purchase amount and contains at least one qualifying manufacturer product is eligible for promotional financing. No interest will be charged on promo purchase balance, and equal monthly payments are required on promo purchase until it is paid in full. The payments equal the amount financed divided by the number of months in the promo period, rounded up to the next whole dollar. These payments may be higher than the payments that would be required if this purchase was a non-promo purchase. During the last month(s) of the promo period the required monthly payment may be reduced due to the prior months’ rounding. Regular account terms apply to non-promo purchases. New Accounts as of 07/31/2025: Purchase APR is 34.99%. Penalty APR is 39.99%. Min Interest Charge is $2. Existing cardholders: See your credit card agreement terms. Subject to credit approval.

Offer applies only to single-receipt qualifying purchases. No interest will be charged on the promo balance if you pay it off, in full, within the promo period. If you do not, interest will be charged on the promo balance from the purchase date. The required minimum monthly payments may or may not pay off the promo balance before the end of the promo period, depending on purchase amount, promo length and payment allocation. Regular account terms apply to non-promo purchases and, after promo period ends, to the promo balance. New Accounts as of 07/31/2025: Purchase APR is 34.99%. Penalty APR is 39.99%. Min Interest Charge is $2. Existing cardholders: See your credit card agreement terms. Subject to credit approval.

The estimated required monthly payment shown which excludes taxes and delivery equals the amount financed divided by the number of months in the promo period, rounded up to the next cent. During the last month(s) of the promo period the required monthly payment may be reduced due to this rounding. These payments apply only with the financing offer shown. If you make these payments by the due date each month, you should pay off this amount financed within the promo period, if it is the only balance you are paying off. If you have other balances on your account, this payment will be added to any other minimum monthly payments.

Applies only to select items from this manufacturer. Ask your Sweetwater Sales Engineer for more details.