Harman-Kardon operation manual Dbx 234/234XL-223/223XL, Specifications

Page 13

2-Way, 3-Way

223/223XL -234/234XL

11

4-Way Crossovers

 

 

 

 

 

 

 

 

 

 

 

 

 

dbx 234/234XL-223/223XL

INPUT:

 

 

Connectors:

1/4” TRS (223/234) or XLR (234/234XL)

 

SPECIFICATIONS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Type:

Electronically balanced/unbalanced, RF filtered

 

 

 

 

 

 

 

 

 

 

Impedance:

Balanced > 50 kΩ , unbalanced > 25 kΩ

 

 

 

 

 

 

 

 

 

 

Max Input Level:

+22 dBu typical, balanced or unbalanced

 

 

 

 

 

 

 

 

 

 

CMRR:

>40 dB, typically > 55 dB at 1 kHz

 

 

 

 

 

 

 

 

 

 

OUTPUT (223/234):

 

 

 

 

 

 

 

 

 

 

 

Connectors:

1/4” TRS

 

 

 

 

 

 

 

 

 

 

Type:

Impedance-balanced/unbalanced, RF filtered

 

 

 

 

 

 

 

 

 

 

Impedance:

Balanced 200 Ω , unbalanced 100 Ω

 

 

 

 

 

 

 

 

 

 

Max Output Level:

>+21 dBu balanced/unbalanced into 2 kΩ or greater

 

 

 

 

 

 

 

 

 

 

OUTPUT (223XL/234XL):

 

 

 

 

 

 

 

 

 

 

 

Connectors:

XLR

 

 

 

 

 

 

 

 

 

 

Type:

Electronically-balanced/unbalanced, RF filtered

 

 

 

 

 

 

 

 

 

 

Impedance:

Balanced 60 Ω , unbalanced 30 Ω

 

 

 

 

 

 

 

 

 

 

Max Output Level:

>+20 dBu balanced/unbalanced into 600Ω or greater

 

PERFORMANCE:

Bandwidth:

Frequency Response:

Signal-to-Noise:

234/234XL: Low Output: Low-Mid Output: Mid Output: High-Mid Output: High Output:

223/223XL: Low Output: Mid Output:

High Output:

Dynamic Range:

THD+Noise:

Interchannel Crosstalk:

CROSSOVER FREQUENCIES:

234/234XL: Stereo Mode: Low/High:

Low/Mid:

Mid/High: 234/234XL: Mono Mode:

Low/Low-Mid: Low-Mid/High-Mid: High-Mid/High:

223/223XL: Stereo Mode: Low/High:

223/223XL: Mono Mode: Low/Mid:

Mid/High:

Filter Type:

20 Hz to 20 kHz, +0/-0.5 dB < 3 Hz to > 90 kHz, +0/-3 dB

Ref: +4 dBu, 22 kHz measurement bandwidth

Stereo Mode:

Mono Mode:

> 94 dB

> 94 dB

 

> 94 dB

> 93 dB

 

 

> 92 dB

> 90 dB

> 88 dB

> 94 dB

> 94 dB

 

> 93 dB

> 91 dB

> 91 dB

>106 dB, unweighted, any output

<0.004% at +4 dBu, 1 kHz

<0.04% at +20 dBu, 1 kHz

<-80 dB, 20 Hz to 20 kHz

45 to 960 Hz or 450 Hz to 9.6 kHz (x10 setting) 45 to 960 Hz or 450 Hz to 9.6 kHz (x10 setting) 450 Hz to 9.6 kHz

45 to 960 Hz or 450 Hz to 9.6 kHz (x10 setting) 450 Hz to 9.6 kHz

450 Hz to 9.6 kHz

45 to 960 Hz or 450 Hz to 9.6 kHz (x10 setting)

45 to 960 Hz or 450 Hz to 9.6 kHz (x10 setting) 45 to 960 Hz or 450 Hz to 9.6 kHz (x10 setting) Linkwitz-Riley, 24 dB/octave, state-variable

FUNCTION SWITCHES:

Front Panel:

 

Low Cut:

Activates 40 Hz Butterworth, 12 dB/octave high-pass

 

filter, one switch per channel.

Phase Invert:

Inverts the phase at the output, one switch per output.

Rear Panel:

 

x10:

Multiplies crossover frequency range by 10, one switch per channel.

Mode:

Selects stereo/mono and 2/3/4-way operation.

LF Sum:

Selects normal (stereo) or mono-summed low frequency operation.

INDICATORS:

 

Stereo Operation:

Green LED

Mono Operation:

Yellow LED

Low Cut:

Red LED per channel

x10:

Green LED per channel

Phase Invert:

Red LED per output (3 per channel)

POWER SUPPLY:

 

Operating Voltage:

100 VAC 50/60 Hz, 120 VAC 60 Hz

 

230 VAC 50/60 Hz

Power Consumption:

15 Watts

Mains Connection:

IEC 320 receptacle

PHYSICAL:

 

Dimensions:

1.75” H X 19” W X 6.9” D (4.4cm x 48.3cm x 17.5cm)

Weight:

234/234XL: 4.0 lbs. (1.8 kg) 223/223XL: 3.7 lbs. (1.7 kg)

Shipping Weight:

234/234XL: 5.8 lbs. (2.6 kg) 223/223XL: 5.4 lbs. (2.5 kg)

Note: Specifications subject to change.

 

®

Image 13
Contents 223/223XL -234/234XL Mains Plug Warning 223/223XL -234/234XL 223/223XL -234/234XL Way, 3-Way Way Crossovers Warranty IntroductionOW/M ID Inspection223/223XL -234/234XL 4-Way Crossovers X10 LED 223/223XL -234/234XL5Panel Operations 234XL Rear PanelAudio Connections Electrical Connections Rear PanelFeatures Rack MOUNTING, Grounding and Safety Troubleshooting Weak AND/OR Distorted Audio Dbx 234/234XL-223/223XL SpecificationsDeclaration of Conformity 223/223XL -234/234XL Harman International Company

223/223XL, 234/234XL specifications

The Harman-Kardon 234, 234XL, 223, and 223XL are classic receivers that have made their mark in the audio equipment landscape, offering a blend of functionality, performance, and aesthetic appeal. These models are notable for their ability to deliver rich, high-fidelity sound, making them a sought-after choice for audiophiles and casual listeners alike.

One of the main features of the Harman-Kardon 234 and 234XL is their superior power output. These receivers boast a robust power rating, allowing them to drive a wide range of speakers effectively while maintaining sound clarity and depth. The 223 series shares this powerful performance, making it suitable for smaller rooms or setups where space is a constraint without sacrificing audio quality.

Both models are equipped with multiple input options, enabling users to connect a variety of audio sources such as turntables, CD players, and even modern streaming devices. This versatility is complemented by their user-friendly interface, which includes clearly labeled controls and an intuitive layout, simplifying the user's experience.

The Harman-Kardon 234 and 234XL utilize advanced audio technologies, including the proprietary Harman-Kardon circuitry, designed to minimize distortion and enhance sound fidelity. These receivers also incorporate features such as tone controls for treble and bass adjustment, allowing listeners to customize their audio experience according to personal preferences and room acoustics.

In terms of build quality, both the 234 and 223 receivers exhibit a premium construction with a sleek, classic design that resonates with enthusiasts of vintage audio equipment. Their durable enclosures not only protect internal components but also enhance the aesthetic appeal in any home or studio environment.

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With a reputation for reliability and performance, the Harman-Kardon 234, 234XL, 223, and 223XL receivers stand out in the landscape of audio equipment. Their combination of powerful amplification, versatile connectivity, and rich sound quality continues to make them relevant for those seeking an exceptional audio experience. Whether used for music playback, home theater systems, or simply enjoying the nuances of sound, these receivers deliver a satisfying performance that resonates with audio lovers around the globe.