R/C Manual

2. USING MIDI

 

 

2.5 REFERENCE DATA

2.5.1 Parametric Codes & Values

1788A Parametric MIDI Commands

Command

Control

Value Range

00h

01h

02h

03h

04h

05h

06h

07h

08h

0Ah

0Bh

17h

20h

56h

Input Gain

1Ah to 41h (26 to 65)

Main Max Out

00h to 1Bh (0 to 27)

Aux Max Out

00h to 1Bh (0 to 27)

Phantom Power

00h

= OFF, 01h = ON

Low Cut Filter

00h

= OFF, 01h = ON

Limiter (MicLim)

00h

= OFF, 01h = ON

Polarity Reverse

00h

= OFF, 01h = ON

Mute

00h

= OFF, 01h = ON

Pad

00h

= OFF, 01h = ON

Test Tone -20dB

00h

= OFF, 01h

= ON

Test Tone 0dB

00h

= OFF, 01h

= ON

Test Tone (alternative method)

00h

= OFF, 01h

= -20dB, 02h = 0dB

Request Parameter SysEx Dump

01h

(required)

 

Request Extended SysEx Dump

00h

(any value placeholder byte)

 

 

 

 

Put 1 to 64 3-byte Commands Here

SysEx Start

F0

Aphex MIDI I.D.

MIDI Channel

MIDI Device

Net Number

Command

Mic Channel

Value

Command

Mic Channel

Value

 

Command

Mic Channel

Value

 

SysEx End

00 00 38

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

xx

xx

xx

 

xx

xx

xx

xx

xx

xx

 

xx

xx

xx

 

F7

System Exclusive (SysEx) Parametric Control String

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Aphex Systems 1788a instruction manual Reference Data, Parametric Codes & Values

1788a specifications

Aphex Systems 1788A is a high-performance microphone preamp and A/D converter known for its exceptional sound quality and versatility. This device is widely used in professional recording studios, broadcast facilities, and live sound applications, catering to a range of audio needs from vocals to instruments.

One of the key features of the 1788A is its ability to handle a wide variety of microphone types, including dynamic, condenser, and ribbon microphones. It provides a significant amount of gain, with a range of up to 70dB, allowing it to capture even the faintest of sounds without introducing noise. The flexibility of input options is enhanced by phantom power, which can be activated for condenser mics needing external power.

The Aphex 1788A also integrates advanced A/D conversion technology, providing high-resolution 24-bit audio with sample rates up to 192 kHz. This ensures that audio fidelity is maintained during the recording process. The unit features a dual-path A/D converter, which optimizes the signal for clarity and precision.

The device also incorporates Aphex’s innovative iEqualization processing, allowing users to enhance their recordings with EQ capabilities in real time. The iEqualization feature is particularly beneficial for adjusting the tonal characteristics of the source material, providing a more polished final product.

Another standout characteristic of the Aphex 1788A is its robust build quality. Designed for the rigors of professional use, the unit is housed in a rugged chassis that can withstand the demands of mobile and studio environments alike.

Transporting this device is made easier due to its rack-mountable design, fitting seamlessly into any standard 19-inch rack setup. Additionally, users appreciate the intuitive front-panel controls that facilitate easy adjustments and monitoring of levels.

In terms of connectivity, the 1788A offers multiple outputs, including analog XLR and digital outputs via AES/EBU and S/PDIF connections, making it highly compatible with various audio interfaces and recording systems.

Overall, the Aphex Systems 1788A is a powerful tool that combines exceptional preamp performance with high-quality A/D conversion, making it an ideal choice for audio professionals seeking reliability and superior sound quality in their recordings. Its comprehensive feature set ensures it meets the demands of both studio and live environments, solidifying its reputation as a trusted piece of audio equipment.